Mars had an oxygen-rich atmosphere around 4 billion years ago
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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